Hit Juice
FreeMake every hit feel heavy in 2D web games: trauma screen shake, hit-stop, flash, squash and stretch, knockback, sparks, damage numbers and phone vibration.
GameSkill Pro
Each skill is a SKILL.md plus tested code and a live demo, written by gameskill.dev. Works with Claude Code, Codex and Cursor. Free packs need no account.
GuidesMake every hit feel heavy in 2D web games: trauma screen shake, hit-stop, flash, squash and stretch, knockback, sparks, damage numbers and phone vibration.
Scene transitions for web games: fade, iris wipe, diamond, pixel blocks, blinds, diagonal slash and curtain, with an await-able API.
Game UI building blocks: health bars with damage lag, skill cooldown buttons, typewriter dialogue, toasts, combo counter, a magic circle and fireworks, in three themes.
Ultimate bursts, dissolves, chain lightning, shields, sword slashes and portals, upgraded with bloom pulses, smooth shake, hit-stop, haptics and automatic quality scaling.
Single and ten-pull animations, SSR pack openings, card flips and holo cards with rarity timelines.
One-click post-processing looks: pixel, Game Boy, ink wash, papercut and toon shading.
Weather state machine, day-night cycle, volumetric light, fire and smoke with particle LOD.
Danmaku patterns, particle trails, object pooling, graze detection and widescreen-safe layout.
Starter games: endless runner (free), match-three, tower defense, pinball and platformer (Pro).
Blender Python scene scripts, glTF compression and baked lighting for three.js.
A repeatable workflow for getting an AI agent to actually improve your game: a 10-step polish loop, bilingual prompts, a troubleshooting guide for common AI-made game bugs, and playtest and release checklists.
Payments are not open yet. Join the waitlist to hear first when Pro launches. Launch lifetime: first 300 copies or 60 days after launch, whichever comes first; then $149, and rises to $199 once the first batch of Pro packs is out. Refunds: monthly and yearly plans can be refunded once within 7 days, no questions asked; lifetime within 14 days if nothing has been downloaded; billing errors and technical faults are always refunded.
$6.9 / month
$49 / year
$99 one-time
License: use in your own commercial games; no resale or redistribution of the pack.
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